Made exception type checking looser: window.onerror isn't spec'ed to give us the

exact error type, but we should get the '.message' property.

test/harness/gs.js

@@ -22,7 +22,8 @@
 
 //An exception is expected
 if (testDescrip.negative !== undefined) {
-    testDescrip.negative = testDescrip.negative !== "" ? testDescrip.negative : ".";
+    //TODO - come up with a generic way of catching the error type from window.onerror
+    testDescrip.negative = testDescrip.negative === "NotEarlyError" ? testDescrip.negative : ".";
     if (window.iframeError === undefined) { //no exception was thrown
         testRun(testDescrip.id, testDescrip.path, testDescrip.description, testDescrip.code,
                 'fail',